$ git clone -n https://src.fedoraproject.org/rpms/qgis.git /var/lib/mock/f41-build-814451-148961/root/chroot_tmpdir/scmroot/qgis
Cloning into '/var/lib/mock/f41-build-814451-148961/root/chroot_tmpdir/scmroot/qgis'...
$ git fetch origin e97722f6da040f20a3ce705727d5065091535a17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qgis
 * [new ref]         e97722f6da040f20a3ce705727d5065091535a17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e97722f Rebuilt for exiv2 0.28.2